Tire tread and buttress



FIG. 1 is a perspective view of a tire tread and buttress showing ournew design, it being understood that the pattern is repeated throughoutthe circumference of the tread and buttress, the opposite side beingsubstantially the same as that shown;

FIG. 2 is a front elevation view thereof; and,

FIG. 3 is an enlarged fragmentary side elevation view thereof.

The broken line showing of environmental structure in FIGS. 1 and 3 ofthe drawings is for illustrative purposes only and forms no part of theclaimed design.

The ornamental design for a tire tread and buttress, as shown anddescribed.